diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,8 @@
+0.5.0.6 (20 March 2014)
+----------------------
+
+  - Allow `lens-4.1` in executables also
+
 0.5.0.5 (19 March 2014)
 ----------------------
 
diff --git a/diagrams-builder.cabal b/diagrams-builder.cabal
--- a/diagrams-builder.cabal
+++ b/diagrams-builder.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-builder
-version:             0.5.0.5
+version:             0.5.0.6
 synopsis:            hint-based build service for the diagrams graphics EDSL.
 
 description:         @diagrams-builder@ provides backend-agnostic tools for
@@ -100,7 +100,7 @@
                        diagrams-lib >= 0.6 && < 1.2,
                        diagrams-cairo >= 0.6 && < 1.2,
                        cmdargs >= 0.6 && < 0.11,
-                       lens >= 3.8 && < 4.1
+                       lens >= 3.8 && < 4.2
 
 executable diagrams-builder-svg
   main-is:             diagrams-builder-svg.hs
@@ -141,4 +141,4 @@
                        diagrams-lib >= 0.6 && < 1.2,
                        diagrams-postscript >= 0.6 && < 1.1,
                        cmdargs >= 0.6 && < 0.11,
-                       lens >= 3.8 && < 4.1
+                       lens >= 3.8 && < 4.2